Pump



sept. 25 ,1923.-

S. E. HALES PUMP Filed March 28 1922 3 Sheets--Sheel 2 INVENTOR: ySIDNEY EALES HALE S, By his Atto eys,

sept.v 25, 1923. f

. S. E. HALES PUMP Filed March g8. 1922 3 Sheets-Sheet 3 NVENTO: SIDNEYEALES HALES, By his Attcrneys,

' Viniated to aliig'hpressure. N

:The-inventionrelates:toairiinproved coni, struction o'f'doubleactionipuniphaving tivo pistons er plunger-s whichV are rigidly Con#raieareugsesees, isa?.-

Mp; j

sinner' naniisnacns; isiieeirrnarijr, Lennon, ENGLAND.

freier.

Appucauoasuriname aaiaea serial. no. 541426.

T all whom trudy 0053205771422 M i j. f Beit hnoivnthat i, Sicuri: EarnsHermia a subject of thelingot Great-Britain,1re#

'f' siding atV lOl' llle'steoinbe; HilhBlaclrheath,

London, Englaiith haveiinvented Inewv and useful Improvements gin Pumps,oli` ,which theolloiviiigis-'a-speciiicationfggi A The cbjectot thisinvention iste provide '1a. pump hymeans oit 'which pneumatic tires andotherintlatable `articles canfbe readily nected together and reciprocatein cylinders Aconnected to eoininon out-let i-nsuch a i "Ji the axis.offthe cylinders,- tlie saidsegnient beine` capablei et VrockingVabout. its`- centre,l and a tiexiblecablefoi the-alike connecting eachpistonV to the segment.V j ln one Way of carrying out iny invention thecylinders are orniedfrom singletube having in ita slojt `to. rece-iveajsegnientrto which a Y hand levercan be z'ittached.v Inthecylinders-are pistons which are rigidly connectedV-together by arod ortube and toeach piston Vis connected .a *fleiible cable, which hearsagainst the curvedgtace of the segu ment and is anchored tothe segmentpret-l ferably Vin such a inanner thatitsfeliiective -Each end of, theA`cylinder .is closed Vby a `plug against ,which length .can-.beadjusted.

a\vasher of coinpressible niaterial `is coin-` pressed by `a plate, theadjoining circumferentialedges ofthe plug and plate beingvbevelled` insuch ainanner'that when `they are drawn. together by screws or theYlikethe" Washeris pressed against theginner eircuin; erenceefthelcylinder. and theplugso. as tov forni a. luidfgtight oint. @ifalternatively and `preferably `theyplug is-k replaeed by a cap againstwhich aycoinpressible Washer, is i compressed by a ring, the'inneifadjoining circuinferential Vedges of'the leap and ring beingsimilarly bevelledf-so asV to malte a fluid tight` jointV between theVcap andthe cylinder. Eaehcap may be conveniently be.

provided with a T shaped projection `which Vure 4 adetail perspectiveview.

Vcanfbe sliddenv into vengagement 'with clauis fXed'on a plate, Vone ofthe caps havinga rotatable camadapted toengage a groove iu the 'plateand lock the cylinder in position. The plates may conveniently `besecured either to a base plate, the floor, or to the running board oitan automobile., vThe segment may. convenientlybe inade in tivos partswhich are 'connected together at their upper end and are pivotallymounted on aplate Which `passesbetiveen the tivo parts of the segmentand .is rigidly secured to the cylinder Vin any `suitable manner, as byWelding. Each part of the segment is provided with a.V boss to receive ascrew threaded rod to oneendof which the end et a., cable V.connectedtoV a piston is attached, Whilst the other end of the redis providedivith a nut by ineans of which the eective length of the cable'can beadjusted. Each part of the segrneiit is also provided with athickenedjpertion which is cut away or recessed to receive a detachablehand lever which is locked in positionby alpin passing through the leverand the segment.

ln operation as the seginent is rocked to and rro by the handlever,tliepistons are alternately dran/'nin andv as each one is drawnin, the other is pushed bach by the rod or tube connecting thein.

Inltlie accompanying drawings which il.- lustratetheinvention Figure lis a section7 Figure 2 isa transverse section on the line AL-JX,Figure-l. Figure 3 Vis a plan and Figl is a tube the ends of which tornicylinders in which are" pistons 2 connected togetherby atube 3; thepistons 2 are provided with the usual .cup leathers d 'which are held inposition by Washers 5 and nuts G. Secured to the tube l is a plate 7supported and stiened by transverse plates 8 which are also secured tothe tube'l in `any convenient `manner as by Welding.

9 are segmental plates secured at their upper ends to a distance piece10, and also to a bush il which passes through a h'olein the plate T andis rotatable therein. The plates 9 pass'through a slotinthetube lV andtubeland the eircuini rence thereojlf comes close to; the axis ofthetube. Each segmental plate Slis pre-V vided with aboss lQ-Hivhich isboredto receive a threadedtuhe'l to one end ot'ivhieh is se curedaflexible cable 3.4i, the other end of the cable being secured in anyconvenient manner to a gudgeon pin l5 on a forl 16 on a Veffectivelengthof'the cables can be adiusted.

A"l, Each plete9 isf also provided with atliicl? ei'ied portion'lSwv-liiclilisrecessed or cutaway to receiye the forked ends 19 of a handlever" l which isjrdetachablylield in position on the of 'thecylii'iders*,VV flexible: means` connecting each ,pistonV to. thesegmendpan segmental plates 9 by a pin` 20. llzlacli end of tli'eftubeflis'providedwitli a cap'Ql against" fytlielange'd lend 01"' Vwhich e ring22 can be drawn bymeansofbolts 2.3 seras toc-'oinpress A a Alle'XibleWasherl between the lievelled ed! joining inner V circumiterentialedges" ofthe Vcapand'-ring in such a manner as'to :make a Y fluidtightj'oint between tliecapl and the k tube 1..: On each cap 2l vis eboss 25 liavinga passage leadingrfromztlie interior of the ,cyl-V V dVi-nder lfto a nonreturnvelve 26 andthence toa pipe'iZT to 'one side oia, pressure `gauge f Q QSha-ving a common delivery pipe'29.

Y `jectionBO adapted'tozengage lugs 3l which f fare fastwitha plateBQand overhang` slot Each cap 2l is also provided with e'Tsliapedprd:Eormed'in the plate. AOne of the caps .21

` isiprovided With a pin on which is rotathas' ably niountedfa cani`adapted in one position to'engage the .ivells ola groove 36 inthe plate232 so :as to prevent longitudinal movement of the camgandconsequentlythe pump..

In operatiom'ivhen the segment 9 is rocked by the hand lever 19, a pullis exerted on one 'of the cablesle and soon one ofthe pistons '2-Wliichpushes back the other piston lQby means ofthe tube'B towards the end ofits cylinderfforcing the air'therein to the pres-4 sure gauge 28.

' ln a pump, the combination of a pair of coaxial cylinders, a; pair opistons one inV and a ring' adapted to compress thewasher against thecylinder, means foreonnecting thepistonsrigidly together, a rockingsegr' ment Whosecircuin'ference comes close to the axis of thecylinders,` flexible ineans connect@` each piston to thesegment, andmeans lo-r rocking Vthe segment.

.2.- ln a pump, the combination of a pair of coaxial cylinders, a pairof pistons onein each cylinder, a TA shaped project-ionen each eylinder,a pair of plates, lugs on the plates; adaptedto engage the projections,meansor x connectingtheypistons rigidly together, aV

V-means connecting each piston tothe segso i i clinder,` a pai'rofplates, lugsjonthe'pletes meiit,and means for rocking the segment.

V` ifo"cliiig theYsegiifiient."1 V f 45111 apump,the` combination of.Vapair of: 'l Vcoaxial cylinders, aepairjof pistonsrionefin for 1 adjustin lever for rocking the segmentf' adapted tV A' in one of'dQplatesa'eelm"rotatablyniount f :Whoseje'ircumerences comes close'tothelaxis lmeeneffof ngage tliefprojectioiism i groove each cylinder, a:T shaped pitojectionon each:

cylindere palirplatesflugs Von the vplates adapted'to enga-getlieprojections, vn ieansffor Y75 roelringseginentwhose"eircuinferenoefcomes Y,

connectiiigjthe pistons rigidly '-together,

closetoA the a-zisio-tjhe cylinders, a cable coniV Y. D .it t cable, andmeans for rocking the segment.VV

5l. In a pump,the'combination olfapai ofi l coaxial cylinders formedi'romf'a singletube,

a pairof pistons, one1n each-cylinder, andef j livery pipe, a:pipegfleadmg ifrom'eacli cyl-.v 85.

inder and connected to fthedelivery f. pipe, Y f

means forclosing `end of eaclilcylinder and` comprisinga Washer-fand acap and "a ring adapted Vto compress the washeragninst tliecylinder, a Tshapedprojection;oneaclio cylinder, a pairof plates, a-grooveinfone .ofsaidplatesa cam rotatablyj-mountedpn one of the cylinders andadapted toVVe'iiga,g,re the groove,;meansA for-connecting-the pistons Y `rigidlytogethenfe rocking Asegnient""WhoseVVcircumfereifieecomes.closeftoftheairis of the tube, '-acable'eonne'cting eechl "piston to the j Y segment, ineansOredjnstingthefeectivef length of thecable andfaj fdetachable'hand lever-forrockingtliesegment.'

each V cylinder, a tube connecting the pistons each cylinder andcomprising Washer, and

a cap and a ring adapted to compress' thegY Washer againstthe cylinder,a Trshjaped projection Yon earch*cylinder,v a pairofp'lates,a 110 i Y10o V6; Ina pump, the cwombiiiationV of ai pair' Y' or coaxialcylinders, apair r'of' pistons one'jn groovein one of said plates,a'ea'm rotatably mountedoir-oiieothe cylindersandgadzipted Y to engaget-h'eigroove, a rocking' segment Whosecircumference co'mes close totheffaxis' of the `cyl'iiiders,' cable' conneotingeach .1,157

pistonto the segmentan'da detachable'hanfd flnY-testinionythatl'claimlthe-'foregoingi as my"inventionI-have signedmy naine this17th day oli'lVlarjcli-, 1922; 3"* 'l g is(

